Examlex
Which of the following structural formulas is an isomer to n-hexane?
Exchange Rate
The value of one currency for the purpose of conversion to another currency.
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The official currency of the United States of America, widely used for domestic and international transactions.
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The official currency of Japan, which is one of the most traded currencies in the world.
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A monetary system where a country's currency or paper money has a value directly linked to gold, used historically by various nations.
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